<template>
	<view class="my-settle-container">
    <!-- 全选区域 -->
		<label class="radio" @click="changeAllGoodsState">
		  <radio :checked="isChecked" color="#C00000"/><text>全选</text>
		</label>
    <!-- 合计区域 -->
    <view class="amount-box">
    合计：<text class="amount">￥{{ checkedGoodsAmount }}</text>
    </view>
    <!-- 结算区域 -->
    <view class="btn-settle" @click="settlement">结算({{ checkedCount }})</view>
	</view>
</template>

<script>
  import { mapGetters,mapMutations,mapState } from 'vuex'
	export default {
		data() {
			return {
				seconds: 3,
        // 计时器的id
        timer: null
			};
		},
    methods: {
      ...mapMutations('m_cart', ['updateAllGoodsState']),
      ...mapMutations('m_user', ['updateRedirectInfo']),
      changeAllGoodsState() {
        this.updateAllGoodsState(!this.isChecked)
      },
      settlement() {
        if(!this.checkedCount) return uni.$showMsg('请勾选需要结算的商品')
        
        if(!this.addstr) return uni.$showMsg('请选择收货地址')
        
        if(!this.token) return this.delayNavigateMy()
        
        this.payOrder()
      },
      async payOrder() {
        // 创建订单信息
        const orderInfo = {
          // order_price: this.checkedGoodsAmount,
          order_price: 0.01,
          consignee_addr: this.addstr,
          goods: this.cart.filter(x => x.goods_state).map(x => ({
            goods_id: x.goods_id,
            goods_number: x.goods_count,
            goods_price: x.goods_price
          }))
        }
        // 发起创建订单请求
        const {data: res} = await uni.$http.post('/api/public/v1/my/orders/create', orderInfo)
        // 没有 token 支付做不了
        // "msg": "无效token",
        // "status": 401
        if(res.meta.status === 401) return uni.$showMsg('小主，臣妾做不到啊！')
        const orderNumber = res.message.order_number
        console.log(orderNumber)
        
        // 订单预支付
        const {data: res2} = await uni.$http('/api/public/v1/my/orders/req_unifiedorder', {orderNumber: orderNumber})
        if(res2.meta.status !== 200) return uni.$showMsg('创建订单失败！')
        // 2.3 得到订单支付相关的必要参数 
        const payInfo = res2.message.pay 
        // 3. 发起微信支付 
        // 3.1 调用 uni.requestPayment() 发起微信支付 
        const [err, succ] = await uni.requestPayment(payInfo) 
        // 3.2 未完成支付 
        if (err) return uni.$showMsg('订单未支付！') 
        // 3.3 完成了支付，进一步查询支付的结果 
        const { data: res3 } = await uni.$http.post('/api/public/v1/my/orders/chkOrder', { order_number: orderNumber }) 
        // 3.4 检测到订单未支付 
        if (res3.meta.status !== 200) return uni.$showMsg('订单未支付！') 
        // 3.5 检测到订单支付完成 
        uni.showToast({ title: '支付完成！', icon: 'success' })
      },
      delayNavigateMy() {
        this.seconds = 3
        this.showTips(this.seconds)
        this.timer = setInterval(() => {
          this.seconds--
          
          if(this.seconds <= 0) {
            clearInterval(this.timer)
            
            uni.switchTab({
              url: '/pages/my/my',
              success: () => {
                this.updateRedirectInfo({
                  openType: 'switchTab',
                  from: '/pages/cart/cart'
                })
              }
            })
            
            return
          }
          
          this.showTips(this.seconds)
        }, 1000)
      },
      // 展示倒计时的提示消息
      showTips(n) {
        uni.showToast({
          icon: 'none',
          mask: true, 
          title: '请登录后再结算！' + n + '秒后跳转到登陆页面',
          duration: 1500
        })
      }
    },
    computed: {
      ...mapGetters('m_cart', ['checkedCount', 'total', 'checkedGoodsAmount']),
      ...mapGetters('m_user', ['addstr']),
      ...mapState('m_user', ['token', 'redirectInfo']),
      ...mapState('m_cart', ['cart']),
      isChecked() {
        return this.checkedCount === this.total
      }
    }
	}
</script>

<style lang="scss">
.my-settle-container {
  height: 50px;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-left: 5px;
  font-size: 14px;
  .radio {
    display: flex;
    align-items: center;
  }
  .amount-box {
    .amount {
      font-weight: bold;
      color: #C00000;
    }
  }
  .btn-settle {
    height: 50px;
    background-color: #C00000;
    color: white;
    line-height: 50px;
    min-width: 100px;
    text-align: center;
    padding: 0 10px;
  }
}
</style>
